CNVWrite
int CNVWrite (CNVWriter writer, CNVData data, int waitTime);
Purpose
Writes the input data to a network variable using a writer connection.
 |
Note To avoid deadlocks, do not call this function in a network variable callback function. |
Parameters
| Input | ||
| Name | Type | Description |
| writer | CNVWriter | The handle that identifies the network variable writer connection. |
| data | CNVData | The handle that identifies the network variable data. |
| waitTime | int | Number of milliseconds the Network Variable Library waits for this operation to complete. Pass CNVWaitForever to wait indefinitely. Pass CNVDoNotWait to execute the operation asynchronously; in this case, you will not get an error if the operation fails. |
Return Value
| Name | Type | Description |
| status | int | Return value indicating whether the function was successful. One indicates that a next item was found, zero indicates that a next item was not found, and a negative number indicates that an error occurred. You can call CNVGetErrorDescription to obtain a string that describes the error. |
Additional Information
Library: Network Variable Library
Include file: cvinetv.h
LabWindows/CVI compatibility: LabWindows/CVI 8.1 and later
Examples
Refer to the following examples that use the CNVWrite function:
- apps\chess\chess.cws
Open example - networkvariable\Buffering\NVBuffering.cws
Open example